2003 f150 heating/defrost problems
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2003 f150 heating/defrost problems
I'm having what seems to be a pretty common problem with my vent doors not working correctly.
Max A/C.........blows air out of panel vents, air is not cool or hot
Vent..............blows hot air out of panel vents
PNL/FLR.........blows hot air out of defrost vents
FLOOR...........blows hot air out of defrost vents
FLR/DEF.........blows hot air out of defrost vents
DEF...............blows hot air out of defrost vents
So far I visually checked all the vacuum hoses up to the fire wall. I sprayed carb cleaner on all the vacuum lines and connections to the fire wall. I removed the EATC. I'm getting vacuum to the back of the controller. I have replaced the o rings but I haven't re installed the EATC yet. It got to dark on me so that will have to wait until morning.
Could it still be a vacuum leak up front even though I am getting vacuum to the back of the EATC? When I changed the O-rings they didn't look bad, maybe a little flat but not bad.
Max A/C.........blows air out of panel vents, air is not cool or hot
Vent..............blows hot air out of panel vents
PNL/FLR.........blows hot air out of defrost vents
FLOOR...........blows hot air out of defrost vents
FLR/DEF.........blows hot air out of defrost vents
DEF...............blows hot air out of defrost vents
So far I visually checked all the vacuum hoses up to the fire wall. I sprayed carb cleaner on all the vacuum lines and connections to the fire wall. I removed the EATC. I'm getting vacuum to the back of the controller. I have replaced the o rings but I haven't re installed the EATC yet. It got to dark on me so that will have to wait until morning.
Could it still be a vacuum leak up front even though I am getting vacuum to the back of the EATC? When I changed the O-rings they didn't look bad, maybe a little flat but not bad.
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Carpenterw1
6.0L Power Stroke Diesel
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Sep 8, 2016 09:39 PM
